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authorTejun Heo <tj@kernel.org>2010-06-29 10:07:09 +0200
committerTejun Heo <tj@kernel.org>2010-06-29 10:07:09 +0200
commitc790bce0481857412c964c5e9d46d56e41c4b051 (patch)
tree82e87167b78bbf3456a53d057b1b741c250a0b76 /kernel/workqueue.c
parent8fec62b2d9d0c80b594d0d85678bfdf57a70df1b (diff)
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workqueue: kill RT workqueue
With stop_machine() converted to use cpu_stop, RT workqueue doesn't have any user left. Kill RT workqueue support. Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 327d2deb4451..1a47fbf92fae 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -62,7 +62,6 @@ struct workqueue_struct {
const char *name;
int singlethread;
int freezeable; /* Freeze threads during suspend */
- int rt;
#ifdef CONFIG_LOCKDEP
struct lockdep_map lockdep_map;
#endif
@@ -947,7 +946,6 @@ init_cpu_workqueue(struct workqueue_struct *wq, int cpu)
static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
{
- struct sched_param param = { .sched_priority = MAX_RT_PRIO-1 };
struct workqueue_struct *wq = cwq->wq;
const char *fmt = is_wq_single_threaded(wq) ? "%s" : "%s/%d";
struct task_struct *p;
@@ -963,8 +961,6 @@ static int create_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
*/
if (IS_ERR(p))
return PTR_ERR(p);
- if (cwq->wq->rt)
- sched_setscheduler_nocheck(p, SCHED_FIFO, &param);
cwq->thread = p;
trace_workqueue_creation(cwq->thread, cpu);
@@ -986,7 +982,6 @@ static void start_workqueue_thread(struct cpu_workqueue_struct *cwq, int cpu)
struct workqueue_struct *__create_workqueue_key(const char *name,
int singlethread,
int freezeable,
- int rt,
struct lock_class_key *key,
const char *lock_name)
{
@@ -1008,7 +1003,6 @@ struct workqueue_struct *__create_workqueue_key(const char *name,
lockdep_init_map(&wq->lockdep_map, lock_name, key, 0);
wq->singlethread = singlethread;
wq->freezeable = freezeable;
- wq->rt = rt;
INIT_LIST_HEAD(&wq->list);
if (singlethread) {